when I go to this API address with my browser I can visualise the JSON file related to it.
I tried to access it by Observable using the cors-anywhere.herokuapp.com but I get a SyntaxError: Unexpected end of JSON input.
here is notebook:
Any chance to make it work?
The comment afterwards suggests some solutions, including setting up this proxy on a server you control.
Perhaps you can hack together a proxy on glitch.com: https://glitch.com/search?q=proxy